Home / 101,563.72-140,139.28-58,535.44

Finding the Fourth Proportional to 101,563.72, 140,139.28 and 58,535.44

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Solution

The fourth proportional to 101,563.72, 140,139.28 and 58,535.44 is: 80,768.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,563.72 : 140,139.28 = 58,535.44 : x
  2. Step 2: Convert to fraction form
    101,563.72/140,139.28 = 58,535.44/x
  3. Step 3: Cross multiply
    101,563.72x = 140,139.28 × 58,535.44
  4. Step 4: Simplify right side
    101,563.72x = 8,203,114,416.08
  5. Step 5: Solve for x
    x = 8,203,114,416.08/101,563.72
  6. Step 6: Final answer
    x = 80,768.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.